Toyota Sienna Service Manual: Problem symptoms table
When a "Normal" code is output during a DTC check but the problem still occurs, use the Problem Symptoms Table. The suspected areas (circuits or parts) for each problem symptoms are in the table. The suspected areas are listed in order of probability. A description of each of the chart's columns is shown in the table below.
HINT:
In some cases, the problem is not detected by the diagnostic system even though a problem symptom occurs. It is possible that the problem is occurring outside the detection range of the diagnostic system, or that the problem occurs in a completely different system.
| Item | Description |
| Problem Symptom | - |
| Circuit Inspection, Inspection Order | Indicates the order in which the circuits need to be checked |
| Circuit or Part Name | Indicates the circuit or part which needs to be checked |
| See Page | Indicates the page where the flowchart for each circuit is located |
Diagnostic trouble code chart
Look for output Diagnostic Trouble Codes (DTCs) (from the
DTC checks) in the appropriate section's Diagnostic Trouble
Code Chart. Use the chart to determine the trouble area and
the proper inspecti ...
Circuit inspection
A description of the main areas of each circuit inspection
is shown in the table below.
Item
Description
Circuit Description
The major role, operation of the circuit and its co ...
Other materials:
Open in Front Pretensioner Squib RH Circuit
DTC B0131/64 Open in Front Pretensioner Squib RH Circuit
DESCRIPTION
The front pretensioner squib RH circuit consists of the center airbag sensor
assembly and the front seat
outer belt assembly RH.
This circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0131/64 i ...
Short to B+ in Driver Side Squib 2nd Step Circuit
DTC B1183/22 Short to B+ in Driver Side Squib 2nd Step Circuit
DESCRIPTION
The driver side squib 2nd step circuit consists of the center airbag sensor
assembly, the spiral cable and
the steering pad.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1183/22 ...
If the engine will not
start
If the engine will not start even though correct starting procedures
are being followed (, 228), consider each of the following
points:
The engine will not start even though the starter motor operates
normally.
One of the following may be the cause of the problem:
There may not be sufficien ...